Lab Safety
This should be done to long hair when working with an open flame.
What is tie hair back?
Convert to standard notation: 4.7 X 10^4
47,000
Is the ability of a substance to burn.
what is flammability
The method of separating a mixture.
What is add water. Then, pour the mixture through a screen or a filter?
What is the third step in the scientific method?
What is create a hypothesis?
This type of shoe should not be worn on lab days.
What are opened toe shoes?
Convert to scientific notation: 45,300
4.53 X 10^4
Unlike a chemical change, a _________ change does NOT alter the identity of a substance.
What is physical?
Two or more things mixed together
What is mixture?
List the independent and dependent variables in the following hypothesis. If the temperatures rise, then plant growth will increase.
What is…. Independent- soil temperatures, Dependent-plant growth.
A student is using a wafting technique to smell an substance. Is the student using the right technique?
What is yes?
Convert to scientific notation: 734,239
7.34239 X 10^5
_________ is the amount of matter in a given space.
What is density?
One way solutions and mixtures are similar is that they both can be separated?
What is true?
What step in the scientific method do you make careful observations and write down what happens?
What is Data Analysis?
These two items should be worn as protection to protect our clothes and skin.
What are apron and gloves?
Convert to scientific notation : 25,360
2.536 X 10^4
Chemical properties can be observed _______ when a chemi change might happen.
What is only?
The property that substances have of dissolving in solvents.
What is solubility?
What is the term we use to describe the manipulated variable or factor that the experimenter intentionally changes?
What is Independent Variable?
This piece of safety equipment is used to cover someone if their clothing would catch on fire during a lab.
What is a fire blanket?
Convert to standard notation: 9.64 X 10^-7
0.000000964
____________ is a measure of gravitational force on an object.
What is weight?
A salt solution can be separated by pouring it through a paper filter.
What is false?
List all steps of the scientific method in order.
What is Question, Gather Information, Hypothesis, Experiment, Data Analysis, Conclusion, and Share Results?